DIPTERA. 168 
other two, which are broad: abdomen brown, a little narrower than the 
chest and about twice its length ; tip and three short dorsal bands tawny ; 
legs slender, tawny : wings almost colourless; wing-ribs and veins tawny, 
the latter darker towards the tips; poisers tawny. Length of the body 24 
lines: of the wings 6 lines. 
Van Diemen’s Land. 
CHIROMYZA FULVICAPUT. 
Fusca, capite fulvo nitente, thoracis lateribus ad alas Sulvis, antennis pedi- 
busque piceis, femoribus apice tibiisque basi fulvis, alis subcinereis. 
Body dark brown, clothed with tawny down: head tawny, smooth, 
shining, flat in front: eyes black, flat in front; facets small: first and se- 
cond joints of the feelers pitchy: chest tawny on each side about the base 
of the wings: abdomen tapering from the base to the tip, about twice the 
length of the chest: legs pitchy ; thighs towards the tips and shanks at the 
base tawny ; wings pale gray; wing-ribs and veins dark tawny ; poisers 
pale tawny. Length of the body 33 lines; of the wings 7 lines. 
New South Wales ? 
Fam. LEPTIDES, Meigen. 
Genus RHAGIO, Olivier. 
Raacto atumnus, Mas. 
Fuscus, thoracis lateribus pectoreque fulvis, abdomine nigro subtus fulvo, 
antennis pedibusque fulvis, tarsis piceis, alis subcinereis ad costam sub- 
Juscis apice fusco maculatis. 
Body brown : head clothed beneath with yellow hairs: eyes bronze; 
all the facets very small: sucker and palpi pale tawny: feelers tawny, very 
short; bristle black, about four times the length of the preceding joints : 
breast and sides of the chest tawny, the former with a slight hoary tinge: 
abdomen tawny, linear, narrower than the chest and about twice its length ; 
segments black above with the eaception of triangular tawny spots resting on 
the sides of the hind borders of the segments : legs slender, tawny, clothed 
with very short black hairs; thighs and foot-cushions pale tawny ; feet 
pitchy, black towards the tips: wings very pale gray with a tawny tinge 
